:root{
  --brand:#0f9b8e;
  --brand-2:#0891b2;
  --brand-deep:#0a5f66;
  --ink:#0d2f36;
  --text:#3a565e;
  --muted:#5f7883;
  --line:#d5eae7;
  --card:#ffffff;
  --soft:#eef8f7;
  --radius:18px;
  --shadow:0 14px 34px rgba(12,74,82,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 8% -6%, #d9f6f1 0%, rgba(217,246,241,0) 62%),
    radial-gradient(820px 480px at 94% 2%, #dcf0fb 0%, rgba(220,240,251,0) 58%),
    linear-gradient(180deg,#f4fbfa 0%,#f8fcfb 48%,#eef8f7 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
h1,h2,h3{color:var(--ink);margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand-deep)}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ai-page-logo{max-height:38px;width:auto;display:block}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.06em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{
  display:block;padding:8px 11px;font-size:14px;color:#2a4c54;text-decoration:none;
  border-radius:8px;transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-links a:hover{background:#e6f7f5;color:var(--brand-deep)}
.ai-page-home-link{font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#12a89a 0%,#0891b2 100%);
  color:#fff;
  box-shadow:0 10px 24px rgba(14,150,160,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,150,160,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--brand-deep);border-color:#bfe4e0;
  box-shadow:0 6px 16px rgba(12,74,82,.06);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#8fd3cc;box-shadow:0 12px 24px rgba(12,74,82,.12)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:6px 20px 16px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 2px;color:#234a52;text-decoration:none;font-size:15px;border-bottom:1px dashed #e3f1ef}
.mobile-menu a:last-child{border-bottom:0}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;padding:78px 0 76px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 82% 12%, rgba(15,155,142,.16), rgba(15,155,142,0) 70%),
    radial-gradient(520px 300px at 8% 82%, rgba(8,145,178,.14), rgba(8,145,178,0) 70%);
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-120px;border-radius:50%;
  border:1px solid rgba(15,155,142,.22);
  box-shadow:0 0 0 40px rgba(15,155,142,.05),0 0 0 90px rgba(8,145,178,.04);
  pointer-events:none;
  animation:floatRing 14s ease-in-out infinite;
}
@keyframes floatRing{
  0%,100%{transform:translate3d(0,0,0)}
  50%{transform:translate3d(-16px,18px,0)}
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-copy > *{animation:heroIn .7s ease both}
.hero-copy > *:nth-child(2){animation-delay:.08s}
.hero-copy > *:nth-child(3){animation-delay:.16s}
.hero-copy > *:nth-child(4){animation-delay:.24s}
.hero-copy > *:nth-child(5){animation-delay:.32s}
@keyframes heroIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.06em;color:#0a7d7d;background:#e5f7f4;border:1px solid #c8ece7;
  padding:6px 14px;border-radius:999px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,155,142,.14)}
.hero h1{
  margin:18px 0 0;
  font-size:clamp(28px,4.4vw,46px);
  letter-spacing:.01em;
  line-height:1.25;
  color:#0b2f36;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#0f9b8e,#0891b2);-webkit-text-fill-color:transparent;background-clip:text;color:#0f9b8e}
.hero-lead{margin-top:18px;font-size:16px;color:#40606a;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags li{
  font-size:13px;color:#2f585f;background:#fff;border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;box-shadow:0 4px 12px rgba(12,74,82,.05);
}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 20px 36px rgba(12,74,82,.13);border-color:#b3e2dc}
.metric strong{display:block;font-size:26px;line-height:1.2;color:var(--brand-deep);letter-spacing:.01em}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ 区块通用 ============ */
.section{padding:68px 0}
.section-soft{padding:68px 0;background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(238,248,247,.55))}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head h2{margin-top:14px;font-size:clamp(22px,3vw,32px)}
.section-head .sub{margin-top:12px;color:var(--muted);font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  box-shadow:0 8px 22px rgba(12,74,82,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(12,74,82,.12);border-color:#b6e3dd}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.icon-box{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e2f7f4,#e0f2fb);color:var(--brand-deep);margin-bottom:16px;
  border:1px solid #d2ece9;
}
.icon-box svg{width:22px;height:22px}

/* ============ 关于我们 ============ */
.about-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.about-text h2{font-size:clamp(22px,3vw,30px);margin-top:14px}
.about-text p{margin-top:16px;color:#41606a}
.about-list{margin-top:22px;display:grid;gap:12px}
.about-list li{display:flex;gap:10px;font-size:14px;color:#365860}
.about-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:50%;
  background:linear-gradient(135deg,#12a89a,#0891b2);
}
.about-side{display:grid;gap:14px}
.mini-stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}
.mini-stat strong{display:block;color:var(--brand-deep);font-size:15px;margin-bottom:4px}
.mini-stat span{font-size:13px;color:var(--muted)}

/* ============ 一站式制作 ============ */
.studio-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.flow-list{display:grid;gap:14px}
.flow-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 22px;box-shadow:0 8px 20px rgba(12,74,82,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateX(4px);box-shadow:0 14px 28px rgba(12,74,82,.11)}
.flow-idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,#12a89a,#0891b2);
}
.flow-item h3{font-size:16px;margin-bottom:4px}
.flow-item p{font-size:13.5px;color:var(--muted)}
.tag-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.tag-panel h3{font-size:16px;margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud li{
  font-size:13px;color:#2c5a61;background:#f0faf9;border:1px solid #dcf0ee;
  padding:6px 12px;border-radius:999px;transition:background .2s ease,transform .2s ease,color .2s ease;
}
.tag-cloud li:hover{background:linear-gradient(135deg,#12a89a,#0891b2);color:#fff;transform:translateY(-2px);border-color:transparent}
.tag-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* ============ 行业方案 ============ */
.solution-card{display:flex;flex-direction:column;gap:8px}
.solution-tag{
  align-self:flex-start;font-size:12px;color:#0a7d7d;background:#e8f8f6;
  border:1px solid #cfeeea;padding:3px 10px;border-radius:999px;margin-bottom:6px;
}

/* ============ 服务网络 ============ */
.network-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.network-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  box-shadow:0 8px 20px rgba(12,74,82,.05);transition:transform .25s ease,box-shadow .25s ease;
}
.network-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(12,74,82,.12)}
.network-card h3{font-size:15px;margin-bottom:6px}
.network-card p{font-size:13px;color:var(--muted)}

/* ============ 标准流程 ============ */
.timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;position:relative}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:22px;height:2px;
  background:linear-gradient(90deg,rgba(15,155,142,.35),rgba(8,145,178,.35));border-radius:2px;
}
.step{position:relative;text-align:center;padding-top:0}
.step-num{
  position:relative;z-index:2;width:46px;height:46px;margin:0 auto 14px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#12a89a,#0891b2);box-shadow:0 10px 22px rgba(14,150,160,.28);
}
.step h3{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}

/* ============ 案例中心 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 8px 22px rgba(12,74,82,.05);transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(12,74,82,.13)}
.case-media{
  aspect-ratio:16/10;background:#eef8f7;display:flex;align-items:center;justify-content:center;
  padding:8px;border-bottom:1px solid var(--line);
}
.case-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;border-radius:10px}
.case-card figcaption{padding:18px 20px 22px}
.case-card h3{font-size:15.5px;margin-bottom:6px}
.case-card p{font-size:13px;color:var(--muted)}

/* ============ 对比评测 ============ */
.review-grid{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
.score-card{
  background:linear-gradient(160deg,#0f9b8e 0%,#0891b2 100%);color:#fff;border-radius:var(--radius);
  padding:28px 24px;text-align:center;box-shadow:0 18px 38px rgba(11,105,120,.28);
}
.score-stars{font-size:20px;letter-spacing:.16em;color:#ffe9a8}
.score-num{font-size:52px;font-weight:700;line-height:1.1;margin-top:8px}
.score-num span{font-size:18px;font-weight:500;opacity:.85}
.score-card p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.92)}
.score-card .score-badge{
  display:inline-block;margin-top:14px;font-size:12.5px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff;
}
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow-x:auto;box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid #e8f4f2}
th{background:#f2faf9;color:#0b4a52;font-weight:700;font-size:13.5px;white-space:nowrap}
td:first-child{color:#17404a;font-weight:600}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f7fdfc}
.hl{color:#0a7d7d;font-weight:700}

/* ============ Token比价 ============ */
.price-note{
  margin-top:18px;font-size:13px;color:var(--muted);background:#eef8f7;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;
}

/* ============ 用户评价 ============ */
.review-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:0 8px 22px rgba(12,74,82,.05);display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(12,74,82,.12)}
.quote-card p{font-size:14px;color:#3c5c65}
.who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px dashed #e2f0ee}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#d8f3ef,#dcf0fb);color:#0a6d75;font-size:13px;font-weight:700;
}
.who b{display:block;font-size:13.5px;color:#17404a;font-weight:700}
.who span{display:block;font-size:12.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:#a8ded6;box-shadow:0 12px 26px rgba(12,74,82,.1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:15px;font-weight:600;color:#123a43;font-family:inherit;
}
.faq-q:hover{color:#0a7d7d}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:#0a8d90;border-radius:2px;transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px;font-size:14px;color:var(--muted)}

/* ============ 资讯与百科 ============ */
.insight-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.article-list{display:grid;gap:12px}
.article-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.article-item:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(12,74,82,.1);border-color:#b6e3dd}
.article-item h3{font-size:15px;margin-bottom:6px}
.article-item h3 a{text-decoration:none;color:#123a43}
.article-item h3 a:hover{color:#0a7d7d}
.article-item p{font-size:13px;color:var(--muted)}
.article-stub{font-size:13px;color:var(--muted)}
.wiki-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.wiki-panel h3{font-size:16px;margin-bottom:12px}
.wiki-panel p{font-size:13.5px;color:var(--muted);margin-bottom:14px}

/* ============ 加盟代理 ============ */
.join-band{
  background:linear-gradient(135deg,#0f9b8e 0%,#0891b2 100%);
  border-radius:24px;padding:38px 36px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 20px 44px rgba(11,105,120,.26);
}
.join-band h2{color:#fff;font-size:clamp(20px,2.6vw,26px)}
.join-band p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.9);max-width:640px}
.join-band .btn-primary{background:#fff;color:#0a6d75;box-shadow:0 10px 24px rgba(0,0,0,.16)}
.join-band .btn-primary:hover{background:#f2fbfa}

/* ============ 需求匹配 / 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form-card h2{font-size:22px}
.form-card .form-hint{margin-top:8px;font-size:13.5px;color:var(--muted)}
.demand-form{margin-top:22px;display:grid;gap:16px}
.form-row{display:grid;gap:7px}
.form-row label{font-size:13.5px;font-weight:600;color:#17404a}
.form-row input,.form-row select,.form-row textarea{
  width:100%;font-family:inherit;font-size:14px;color:#123a43;background:#f8fdfc;
  border:1px solid #d3e9e6;border-radius:10px;padding:12px 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-row textarea{min-height:116px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:#43bdb0;background:#fff;box-shadow:0 0 0 3px rgba(15,155,142,.13);
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#9db5ba}
.form-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-submit{justify-self:start;margin-top:4px;min-width:168px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.contact-card h2{font-size:20px}
.contact-list{margin-top:18px;display:grid;gap:13px}
.contact-list li{display:flex;gap:10px;font-size:14px;color:#3c5c65;align-items:flex-start}
.contact-list b{flex:0 0 auto;color:#17404a;font-weight:600}
.contact-list a{color:#0a7d7d;text-decoration:none;word-break:break-all}
.contact-list a:hover{text-decoration:underline}
.qr-box{margin-top:22px;text-align:center;background:#f0faf9;border:1px dashed #bfe4e0;border-radius:14px;padding:18px}
.qr-box img{width:150px;max-width:100%;height:auto;display:block;margin:0 auto;border-radius:10px}
.qr-box span{display:block;margin-top:10px;font-size:13px;color:var(--muted)}

/* ============ 页脚 ============ */
.site-footer{
  background:#0b2e35;color:#c9e3e2;padding:46px 0 24px;margin-top:8px;
}
.footer-top{display:grid;grid-template-columns:1.1fr 1.9fr;gap:36px;align-items:start}
.footer-brand .fb-name{font-size:17px;font-weight:700;color:#ffffff;letter-spacing:.06em}
.footer-brand p{margin-top:12px;font-size:13.5px;color:#a9cbcb;max-width:340px}
.footer-brand .fb-contact{margin-top:14px;font-size:13.5px;color:#a9cbcb;line-height:2}
.footer-brand .fb-contact a{color:#7ee0d4;text-decoration:none}
.footer-brand .fb-contact a:hover{text-decoration:underline}
.footer-links h3{font-size:14px;color:#ffffff;margin-bottom:14px;font-weight:700}
.link-grid{display:flex;flex-wrap:wrap;gap:10px}
.link-grid a{
  font-size:13px;color:#c9e3e2;text-decoration:none;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);padding:6px 13px;border-radius:999px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.link-grid a:hover{background:#12a89a;color:#fff;transform:translateY(-2px);border-color:transparent}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8fb4b6;
}

/* ============ 浮动 ============ */
.float-kf,.back-top{
  position:fixed;right:18px;z-index:70;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;border:0;cursor:pointer;
  box-shadow:0 12px 26px rgba(11,105,120,.28);transition:transform .22s ease,opacity .25s ease,visibility .25s ease;
}
.float-kf{right:18px;bottom:82px;background:linear-gradient(135deg,#12a89a,#0891b2);color:#fff;text-decoration:none}
.float-kf svg{width:22px;height:22px}
.float-kf:hover{transform:translateY(-3px)}
.back-top{
  right:18px;bottom:20px;background:#fff;color:#0a6d75;border:1px solid #cfe9e5;
  opacity:0;visibility:hidden;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px)}
.back-top svg{width:20px;height:20px}

/* ============ 动画 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding:56px 0 60px}
  .about-wrap,.studio-grid,.contact-grid,.insight-grid,.review-grid{grid-template-columns:1fr}
  .grid-3,.review-cards,.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .network-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .timeline::before{display:none}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .section,.section-soft{padding:52px 0}
}
@media (max-width:680px){
  .grid-3,.grid-2,.review-cards,.case-grid,.network-grid,.form-two{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .form-submit{width:100%;justify-self:stretch}
  .join-band{padding:28px 22px;border-radius:18px}
  .form-card,.contact-card,.tag-panel,.wiki-panel{padding:22px}
  .footer-bottom{flex-direction:column}
  .section-head{margin-bottom:30px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important}
}